Home / 356,313.67-491,713.07-195,171.39

Finding the Fourth Proportional to 356,313.67, 491,713.07 and 195,171.39

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Solution

The fourth proportional to 356,313.67, 491,713.07 and 195,171.39 is: 269,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,313.67 : 491,713.07 = 195,171.39 : x
  2. Step 2: Convert to fraction form
    356,313.67/491,713.07 = 195,171.39/x
  3. Step 3: Cross multiply
    356,313.67x = 491,713.07 × 195,171.39
  4. Step 4: Simplify right side
    356,313.67x = 95,968,322,377.21
  5. Step 5: Solve for x
    x = 95,968,322,377.21/356,313.67
  6. Step 6: Final answer
    x = 269,336.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.